Invalid Model Name in Claude API Request

Resolved 💬 1 comment Opened Jul 2, 2025 by romixhome Closed Jul 2, 2025

Bug Description
Last day and today i use claude code and claude web sonnet. It don't work and return an error: API Error: 400 {"type":"error","error":{"type":"invalid_request_error","message":"system: Invalid model name"}}\

Environment Info

  • Platform: linux
  • Terminal: gnome-terminal
  • Version: 1.0.40
  • Feedback ID: 6cdda057-3e32-458d-9609-d1fd231f4c3c

Errors

[{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"system: Invalid model name\"}}\n    at J5.generate (file:///home/prm/.nvm/versions/node/v22.15.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1315:12578)\n    at Tq.makeStatusError (file:///home/prm/.nvm/versions/node/v22.15.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1332:2100)\n    at Tq.makeRequest (file:///home/prm/.nvm/versions/node/v22.15.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1332:5311)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async WM2.zA1.showErrors (file:///home/prm/.nvm/versions/node/v22.15.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1701:23051)\n    at async zA1 (file:///home/prm/.nvm/versions/node/v22.15.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1701:12633)\n    at async WM2 (file:///home/prm/.nvm/versions/node/v22.15.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1701:22899)\n    at async file:///home/prm/.nvm/versions/node/v22.15.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1701:18023\n    at async EAA (file:///home/prm/.nvm/versions/node/v22.15.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1701:5121)\n    at async su (file:///home/prm/.nvm/versions/node/v22.15.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1701:17993)","timestamp":"2025-07-02T18:21:48.291Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"system: Invalid model name\"}}\n    at J5.generate (file:///home/prm/.nvm/versions/node/v22.15.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1315:12578)\n    at Tq.makeStatusError (file:///home/prm/.nvm/versions/node/v22.15.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1332:2100)\n    at Tq.makeRequest (file:///home/prm/.nvm/versions/node/v22.15.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1332:5311)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async WM2.zA1.showErrors (file:///home/prm/.nvm/versions/node/v22.15.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1701:23051)\n    at async zA1 (file:///home/prm/.nvm/versions/node/v22.15.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1701:12633)\n    at async WM2 (file:///home/prm/.nvm/versions/node/v22.15.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1701:22899)\n    at async file:///home/prm/.nvm/versions/node/v22.15.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1701:18023\n    at async EAA (file:///home/prm/.nvm/versions/node/v22.15.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1701:5121)\n    at async su (file:///home/prm/.nvm/versions/node/v22.15.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1701:17993)","timestamp":"2025-07-02T18:49:30.818Z"}]

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